package day0417;

import java.io.*;

public class Test5 {
    public static void main(String[] args) throws FileNotFoundException {
        //byte short int long float double boolean char

        //String 引用类型变量
        String name1="张三";
        String name2=new String("张三");

        File file = new File("D:\\aa.txt");

        FileInputStream in = new FileInputStream("D:\\aa.txt");
        FileOutputStream out = new FileOutputStream("D:\\aa.txt");


    }
}
